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Finding the Fourth Proportional to 29,203.70, 40,253.76 and 22,819.14

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Solution

The fourth proportional to 29,203.70, 40,253.76 and 22,819.14 is: 31,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,203.70 : 40,253.76 = 22,819.14 : x
  2. Step 2: Convert to fraction form
    29,203.70/40,253.76 = 22,819.14/x
  3. Step 3: Cross multiply
    29,203.70x = 40,253.76 × 22,819.14
  4. Step 4: Simplify right side
    29,203.70x = 918,556,184.97
  5. Step 5: Solve for x
    x = 918,556,184.97/29,203.70
  6. Step 6: Final answer
    x = 31,453.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.